Lyon Playfair, 1st Baron Playfair was a British scientist and Liberal politician who was Postmaster-General from 1873 to 1874.
- Occupation
- chemist, politician, university teacher
- Position held
- Postmaster General of the United Kingdom, Chairman of Ways and Means, Secretary of State for Education, Member of the Privy Council of the United Kingdom
- Citizenship
- United Kingdom of Great Britain and Ireland
- Born
- May 1, 1818
- Died